Make sure that your account balance is sufficient. Devices may become unavailable due to overdue payments.

Notice After you top up your account balance,the IoT Platform service becomes available within 30 minutes.

A bill is generated within 4 hours after the current billing cycle ends. If the balance of the current Alibaba Cloud account is insufficient, an overdue payment occurs.

If an overdue payment occurs, the service is still available within 24 hours. After 24 hours, the service is automatically stopped. We recommend that you top up your account balance within 24 hours to ensure business continuity.